CN214309090U - Array type high-speed dynamic axle load scale - Google Patents
Array type high-speed dynamic axle load scale Download PDFInfo
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- CN214309090U CN214309090U CN202120117207.2U CN202120117207U CN214309090U CN 214309090 U CN214309090 U CN 214309090U CN 202120117207 U CN202120117207 U CN 202120117207U CN 214309090 U CN214309090 U CN 214309090U
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Abstract
The utility model discloses a high-speed dynamic axle load scale of array, include: the frame body is arranged in the pavement foundation pit and used for increasing the compressive strength of the concrete foundation; the bearing beam is arranged on the frame body, is connected with the frame body into a whole and is used for realizing a connecting bearing body for high-speed dynamic weighing; the weighing platforms independently output signals, and weighing main bodies which are arranged on the bearing beam in an array manner along the advancing direction of the vehicle to realize high-speed dynamic weighing, wherein intervals are arranged among the weighing platforms arranged in the array manner; a plurality of weighing platforms form equivalent long platform surfaces at intervals to cooperate with the weighing main body; the dynamic adjustment of the bearing beam realizes that the weighing platforms are positioned on the same plane. This axle load scale lays the weighing platform in array, and a plurality of weighing platforms form equivalent long mesa and weigh in coordination through setting up the interval again each other, have guaranteed the axle group of vehicle on same plane, have effectively overcome the axle load atress change that the vehicle arouses because of the road surface is uneven, weigh the degree of accuracy height.
Description
Technical Field
The utility model relates to an automatic weighing apparatus technical field of developments highway vehicle, in particular to array high speed dynamic axle load balance.
Background
In recent years, in order to control vehicle overload, protect road and bridge safety and reduce traffic accidents, weighing detection of vehicle load running at high speed is required.
The Chinese patent document (publication date: 10/4/2020, publication number: CN 210293410U) discloses a high-speed dynamic axle load scale, wherein a strain beam and a load carrier are integrally installed, a limiting device is not required, and the requirement of high-speed driving of a vehicle can be well met.
However, such axle load scales have high requirements on road flatness, and when the road surface is uneven due to various factors, vehicles running at high speed can jump violently, so that errors are out of tolerance. In addition, due to the lack of redundancy, the axle weight scale is difficult to deeply study and judge the confidence coefficient of suspicious weighing data, and certain confusion is brought to law enforcement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-speed dynamic axle load balance of array can effectively reduce because the weighing error that the road surface unevenness brought, increases substantially the stability of high-speed weighing, is favorable to the user to study and judge the confidence of dynamic weighing result simultaneously.
The utility model discloses the technical scheme who realizes its invention purpose adopts is: an array type high-speed dynamic axle load scale, comprising:
the frame body is arranged in the pavement foundation pit and used for increasing the compressive strength of the concrete foundation;
the bearing beam is arranged on the frame body, is connected with the frame body into a whole and is used for realizing a connecting bearing body for high-speed dynamic weighing;
the weighing platforms independently output signals, and weighing main bodies which are arranged on the bearing beam in an array manner along the advancing direction of the vehicle to realize high-speed dynamic weighing, wherein intervals are arranged among the weighing platforms arranged in the array manner; a plurality of weighing platforms form equivalent long platform surfaces at intervals to cooperate with the weighing main body;
the bearing beam is dynamically adjusted, and the weighing platforms are positioned on the same plane.
This high-speed dynamic axle load scale of array, through a plurality of weighing platforms of reasonable setting, it lays to weigh the platform and be the array, and laid the spandrel girder in the below of weighing the platform, can guarantee that a plurality of weighing platforms are in on the coplanar, realize high-speed dynamic weighing, every weighing platform can both independent output signal, and simultaneously, a plurality of weighing platforms form the long platform face of equivalence through setting up the interval again and weigh in coordination each other, the axle group of vehicle has also been guaranteed on same plane, the axle load atress change that the vehicle arouses because of the road surface is uneven has effectively been overcome, it obtains showing the promotion to weigh the degree of accuracy. In addition, because the multiple groups of weighing platforms can independently give weighing data and are mutually redundant, the reliability of the system work is greatly improved, and effective basic data are provided for the confidence judgment of the weighing result. When the high-speed vehicle passes through the axle weight scale body, the axle weight scale body can not deflect, the component force generated by deflection and vibration of the axle weight scale body can be effectively reduced, and the metering precision is favorably improved. The array type high-speed dynamic axle load scale has reasonable structural design, the weighing platform, the bearing beam and the frame body are connected into a whole, no movable gap exists between the weighing platform and the frame body, the force transmission structure of the weighing platform is greatly simplified, a horizontal limiting device of the axle load scale body is not required to be additionally arranged, a plurality of weighing platforms can be fundamentally ensured to be on the same plane, and the improvement of the metering precision is facilitated. Reliable operation, low maintenance rate and long service life.
Preferably, the bearing beam is arranged at the position where the wheel and the gravity center of the vehicle are located along the advancing direction of the vehicle, and the weighing platform is arranged on the bearing beam in a spanning mode and is perpendicular to and crossed with the bearing beam. The weighing platform stretches across the bearing beam, and the axle weight scale body cannot deflect when a high-speed vehicle passes through the axle weight scale body due to the design structure, so that component force generated by deflection and vibration of the axle weight scale body can be effectively reduced, and the metering precision is improved.
Preferably, the weighing platform comprises a frame, a weighing platform surface, a strain beam and a plurality of assembled weighing sensors. As a first priority, each set of weighing stations is mainly composed of a frame, a weighing table, a strain beam and a number of fabricated weighing sensors functionally equivalent to a strain gauge.
Preferably, the strain beam is arranged on the bearing beam, the frame is arranged on the strain beam, the weighing table is arranged on the frame, the assembly type weighing sensors are arranged on the strain beam, each assembly type weighing sensor independently senses the deformation of the strain beam and generates an independent signal output in direct proportion to the gravity. The combined weighing platform is formed by the design structure, the frame, the weighing platform surface, the strain beams and the assembled weighing sensors are integrated into a whole, so that each group of weighing platforms has stable bearing performance, the assembled weighing sensors are arranged on the strain beams, each assembled weighing sensor respectively senses the deformation of the strain beams, and independent signal output in direct proportion to the gravity is generated.
Preferably, the weighing platform comprises a frame, a weighing platform surface and a double-beam type weighing sensor; the elastic body of the double-beam weighing sensor is of a strip-shaped structure, and the weighing beams with two ends stressed deform to output two independent signals. As another preferred, the weighing platform mainly comprises a frame, a weighing platform surface and a double-beam type weighing sensor, the double-beam type weighing sensor comprises a sensor elastic body, the sensor elastic body is of a long strip-shaped structure, the weighing beams with two ends stressed generate deformation to output two paths of independent signals, the angle difference calibration of the scale body is facilitated, a horizontal limiting device of the scale body is not required to be additionally arranged, when a high-speed vehicle passes through the scale body, the component force generated by the deflection and the vibration of the scale body can be effectively reduced, and the high-speed dynamic metering precision of the vehicle is facilitated to be improved.
Preferably, the double-beam type weighing sensor is arranged on the bearing beam, the frame is arranged on the double-beam type weighing sensor, and the weighing platform is arranged on the frame. The weighing platform has the advantages that the combined weighing platform is formed by the design structure, the double-beam type weighing sensors, the bearing beams, the weighing platform surface and the frame are integrated into a whole, so that each group of weighing platforms has stable bearing performance, and the stress weighing beams at the two ends of the double-beam type weighing sensors are deformed to output two independent signals.
Preferably, the concrete-embedded road further comprises a base body for realizing the integration with the concrete of the road. The substrate can be made of reinforced concrete; a plurality of weighing platforms, sensors, frames and roads of the array axle weight scale are fixedly connected into a whole through the base body, so that the scale body and the roads are integrally arranged, no movable gap exists between the weighing platforms, the force transmission structure of the sensors is greatly simplified, a horizontal limiting device of the axle weight scale body is not required to be additionally arranged, and the axle weight scale is fundamentally ensured to be arranged on a plane.
The utility model has the advantages that: this high-speed dynamic axle load scale of array, through a plurality of weighing platforms of reasonable setting, it lays to weigh the platform and be the array, and laid the spandrel girder in the below of weighing the platform, can guarantee that a plurality of weighing platforms are in on the coplanar, realize high-speed dynamic weighing, every weighing platform can both independent output signal, and simultaneously, a plurality of weighing platforms form the long platform face of equivalence through setting up the interval again and weigh in coordination each other, the axle group of vehicle has also been guaranteed on same plane, the axle load atress change that the vehicle arouses because of the road surface is uneven has effectively been overcome, it obtains showing the promotion to weigh the degree of accuracy. In addition, because the multiple groups of weighing platforms can independently give weighing data and are mutually redundant, the reliability of the system work is greatly improved, and effective basic data are provided for the confidence judgment of the weighing result. The structure design is reasonable, the operation is reliable, the maintenance rate is low, and the service life is long.
Drawings
FIG. 1 is a schematic structural diagram of the array type high-speed dynamic axle load scale of the present invention;
FIG. 2 is a top view of the array high speed dynamic axle load scale of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic diagram of a second structure of the array type high-speed dynamic axle load scale according to the present invention;
FIG. 4 is a schematic diagram of the array type high-speed dynamic axle load scale of FIG. 3 according to the present invention;
FIG. 5 is a third schematic structural diagram of the array type high-speed dynamic axle load scale of the present invention;
fig. 6 is a schematic structural view of the middle double-beam type weighing sensor of the present invention;
FIG. 7 is a schematic diagram of a fourth structure of the array type high-speed dynamic axle load scale of the present invention;
in the figure: 1. the device comprises a frame body, 2, a bearing beam, 3, a weighing platform, 4, an interval, 5, an assembled weighing sensor, 6, a strain beam, 7, a base body, 8, an original pavement, 9, a frame, 10, a weighing table top, 11, a double-beam weighing sensor, 12, a stressed weighing area, 13, a double-stressed weighing beam strain area, 14, a double-fixed supporting area, 15, a double-signal outgoing line, 16 and a sensor weighing beam.
Detailed Description
The technical solution of the present invention will be further described in detail by the following specific embodiments with reference to the accompanying drawings.
Example 1:
in the embodiment shown in fig. 1 and 2, an array type high-speed dynamic axle load scale comprises:
the frame body 1 is a frame body which is arranged in a pavement foundation pit and used for increasing the compressive strength of a concrete foundation;
the bearing beam 2 is arranged on the frame body 1, is connected with the frame body into a whole and is used for realizing a connecting bearing body for high-speed dynamic weighing;
the weighing platforms 3 independently output signals, and weighing main bodies which are arranged on the bearing beam in an array manner along the advancing direction of the vehicle to realize high-speed dynamic weighing, wherein intervals 4 are arranged among the weighing platforms 3 arranged in the array manner; a plurality of weighing platforms 3 form an equivalent long platform surface cooperative weighing main body through an interval 4;
wherein, the spandrel girder 2 dynamic adjustment and realize that a plurality of weighing platforms 3 are in the same plane degree.
And the concrete embedded type road concrete further comprises a base body 7 used for realizing the integration of the concrete embedded type road concrete.
In the embodiment, a two-column structure is adopted, two columns of weighing platforms are arranged along the advancing direction of a vehicle, an interval 4 which is larger than the axial width of the weighing platform surface is arranged between the two columns of weighing platforms, the interval 4 is formed by pouring reinforced concrete, and the plane of the interval 4 and the plane of the weighing platforms are positioned on the same plane.
The bearing beam 2 is arranged at the position where the wheel and the gravity center of the vehicle are located along the advancing direction of the vehicle, and the weighing platform 3 is arranged on the bearing beam 2 in a spanning mode and is arranged in a vertical crossing mode with the bearing beam. In this embodiment, the two sets of the load-bearing beam 2 are respectively arranged at the wheels at the two sides, the two sets of the load-bearing beam 2 are arranged at the center of gravity of the vehicle, the load-bearing beam 2 is arranged along the advancing direction of the vehicle, and the two rows of weighing platforms cross over the load-bearing beam 2, so that the axle weight scale body does not deflect when the high-speed vehicle passes through the axle weight scale body, the component force generated by the deflection and vibration of the axle weight scale body can be effectively reduced, and the metering precision is improved.
In this embodiment, the weighing platform 3 includes a frame 9, a weighing platform 10, a strain beam 6 and a plurality of assembled weighing sensors 5. Each column of weighing platform mainly comprises a frame 9, a weighing platform surface 10, a strain beam 6 and a plurality of assembled weighing sensors 5 which are functionally equivalent to the strain gauge. The strain beam 6 is arranged on the bearing beam 2, the frame 9 is arranged on the strain beam 6, the weighing table top 10 is arranged on the frame 9, the assembly type weighing sensors 5 are arranged on the strain beam 6, each assembly type weighing sensor 5 independently senses the deformation of the strain beam, and independent signal output in direct proportion to the gravity is generated. The frame, the weighing table surface, the strain beams and the assembled weighing sensors are integrated into a whole, so that each group of weighing tables has stable bearing performance, the assembled weighing sensors are arranged on the strain beams, each assembled weighing sensor respectively senses the deformation of the strain beams, and independent signal output in direct proportion to the gravity is generated.
The substrate 7 may be made of reinforced concrete; a plurality of weighing platforms, sensors and frames of the array axle weight scale are fixedly connected with an original pavement 8 into a whole through a base body, so that the scale body and the original pavement 8 are integrally arranged, no movable gap exists between the scale body and the original pavement, the force transmission structure of the sensors is greatly simplified, a horizontal limiting device of the axle weight scale body is not required to be additionally arranged, and the scale bodies are fundamentally ensured to be on the same plane.
Example 2:
in the embodiment shown in fig. 3 and 4, the technical scheme of an array type high-speed dynamic axle load scale is basically the same as that of embodiment 1, except that: in the embodiment, a three-row structure is adopted, three rows of weighing platforms are arranged along the advancing direction of the vehicle, a gap 4 which is not less than the axial width of the weighing platform surface is arranged between the three rows of weighing platforms, the gap 4 can be a non-metal material or a metal material bearing component, and the plane of the gap 4 and the plane of the weighing platforms are on the same plane.
Example 3:
in an embodiment shown in fig. 5, an array high speed dynamic axle weight scale comprises:
the frame body 1 is a frame body which is arranged in a pavement foundation pit and used for increasing the compressive strength of a concrete foundation;
the bearing beam 2 is arranged on the frame body 1, is connected with the frame body into a whole and is used for realizing a connecting bearing body for high-speed dynamic weighing;
the weighing platforms 3 independently output signals, and weighing main bodies which are arranged on the bearing beam in an array manner along the advancing direction of the vehicle to realize high-speed dynamic weighing, wherein intervals 4 are arranged among the weighing platforms 3 arranged in the array manner; a plurality of weighing platforms 3 form an equivalent long platform surface cooperative weighing main body through an interval 4;
wherein, the spandrel girder 2 dynamic adjustment and realize that a plurality of weighing platforms 3 are in the same plane degree.
And the concrete embedded type road concrete further comprises a base body 7 used for realizing the integration of the concrete embedded type road concrete.
In the embodiment, a two-column structure is adopted, two columns of weighing platforms are arranged along the advancing direction of a vehicle, an interval 4 which is larger than the axial width of the weighing platform surface is arranged between the two columns of weighing platforms, the interval 4 is formed by pouring reinforced concrete, and the plane of the interval 4 and the plane of the weighing platforms are positioned on the same plane.
The bearing beam 2 is arranged at the position where the wheel and the gravity center of the vehicle are located along the advancing direction of the vehicle, and the weighing platform 3 is arranged on the bearing beam 2 in a spanning mode and is arranged in a vertical crossing mode with the bearing beam. In this embodiment, the two sets of the load-bearing beam 2 are respectively arranged at the wheels at the two sides, the two sets of the load-bearing beam 2 are arranged at the center of gravity of the vehicle, the load-bearing beam 2 is arranged along the advancing direction of the vehicle, and the two rows of weighing platforms cross over the load-bearing beam 2, so that the axle weight scale body does not deflect when the high-speed vehicle passes through the axle weight scale body, the component force generated by the deflection and vibration of the axle weight scale body can be effectively reduced, and the metering precision is improved.
In this embodiment, the weighing platform 3 includes a frame 9, a weighing table 10 and a double-beam weighing sensor 11; the double-beam weighing sensor 11 comprises a sensor elastic body which is of a long strip-shaped structure, and two ends of the sensor elastic body are stressed by the weighing beams to deform so as to output two paths of independent signals. The double-beam type weighing sensor 11 is arranged on the bearing beam 2, the frame 9 is arranged on the double-beam type weighing sensor 11, and the weighing table top 10 is arranged on the frame 9. As shown in fig. 6, the sensor elastic body 11 shown in this embodiment is provided with a stressed weighing region 12, a dual stressed weighing beam strain region 13 and a dual fixed supporting region 14, the stressed weighing beam strain regions 13 are symmetrically arranged on two sides of the stressed weighing region 12, the fixed supporting region 14 is arranged on the outer side of the stressed weighing beam strain region 13, the sensor elastic body 11 where the stressed weighing region 12 is located is provided with dual signal outgoing lines 15 matched with the dual stressed weighing beam strain region 13, and the dual signal outgoing lines 15 output independent signals. The sensor elastic body 11 where the stress weighing beam strain area 13 is located is provided with sensor weighing beams 16, and the sensor weighing beams 16 are arranged in one-to-one correspondence with the signal outgoing lines 15.
The weighing platform mainly comprises a frame, a weighing platform surface and a double-beam type weighing sensor, the double-beam type weighing sensor comprises a sensor elastic body, the sensor elastic body is of a long strip-shaped structure, two ends of the sensor elastic body are stressed and the weighing beams deform to output two paths of independent signals, so that the angle difference calibration of the scale body is facilitated, a horizontal limiting device of the scale body is not required to be additionally arranged, when a high-speed vehicle passes through the scale body, the component force generated by the deviation and vibration of the scale body can be effectively reduced, and the high-speed dynamic metering precision of the vehicle is facilitated to be improved. The combined weighing platform comprises a double-beam type weighing sensor, a bearing beam, a weighing table top and a frame which are integrated into a whole, so that each group of weighing platform has stable bearing performance, and two ends of the double-beam type weighing sensor are stressed and the weighing beams deform to output two independent signals.
Example 4:
in the embodiment shown in fig. 7, the technical solution is basically the same as that of embodiment 3, except that: in the embodiment, a three-row structure is adopted, three rows of weighing platforms are arranged along the advancing direction of the vehicle, a gap 4 which is not less than the axial width of the weighing platform surface is arranged between the three rows of weighing platforms, the gap 4 can be a non-metal material or a metal material bearing component, and the plane of the gap 4 and the plane of the weighing platforms are on the same plane.
The high-speed dynamic axle load balance of array, through a plurality of weighing platforms of reasonable setting, it lays to be the array with weighing platform, and laid the spandrel girder in weighing platform's below, can guarantee that a plurality of weighing platforms are in the coplanar, realize high-speed dynamic weighing, every weighing platform can both independent output signal, and simultaneously, a plurality of weighing platforms form equivalent long mesa collaborative weighing through setting up the interval again each other, the axle group of vehicle has also been guaranteed on same plane, effectively overcome the axle load atress change that the vehicle arouses because of the road surface is uneven, the weighing accuracy has obtained showing and has promoted. In addition, because the multiple groups of weighing platforms can independently give weighing data and are mutually redundant, the reliability of the system work is greatly improved, and effective basic data are provided for the confidence judgment of the weighing result. When the high-speed vehicle passes through the axle weight scale body, the axle weight scale body can not deflect, the component force generated by deflection and vibration of the axle weight scale body can be effectively reduced, and the metering precision is favorably improved. The array type high-speed dynamic axle load scale has reasonable structural design, the weighing platform, the bearing beam and the frame body are connected into a whole, no movable gap exists between the weighing platform and the frame body, the force transmission structure of the weighing platform is greatly simplified, a horizontal limiting device of the axle load scale body is not required to be additionally arranged, a plurality of weighing platforms can be fundamentally ensured to be on the same plane, and the improvement of the metering precision is facilitated. Reliable operation, low maintenance rate and long service life.
During the use, high-speed vehicle passes through this array high-speed dynamic axle load balance, and every row of weighing platform is weighed the vehicle respectively and is exported the data that the measurement obtained alone, and simultaneously, every row of weighing platform forms the long mesa of equivalence through setting up the interval again and weighs in coordination each other, has guaranteed that the axle group of vehicle is on same plane, has effectively overcome the axle load atress change that the vehicle arouses because of the road surface is uneven, and the weighing accuracy degree has obtained showing and has promoted. Because the weighing data can be independently given by the plurality of groups of weighing table boards and are mutually redundant, the working reliability of the system is greatly improved, and basic data are provided for the confidence judgment of the weighing result. The axle weight scale body can not deflect, the component force generated by deflection and vibration of the axle weight scale body can be effectively reduced, and the measurement precision can be improved. Reasonable in design, the operation is reliable, and the maintenance rate is low, long service life.
The above embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto. All equivalent changes made according to the shape and structure of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An array type high-speed dynamic axle load scale is characterized by comprising:
the frame body (1) is arranged in the pavement foundation pit and used for increasing the compressive strength of a concrete foundation;
the bearing beam (2) is arranged on the frame body (1), is connected with the frame body into a whole and is used for realizing a connecting bearing body for high-speed dynamic weighing;
the weighing platforms (3) independently output signals, the weighing main bodies are arranged on the bearing beam in an array manner along the advancing direction of the vehicle to realize high-speed dynamic weighing, and intervals (4) are arranged among the weighing platforms (3) arranged in the array manner; the plurality of weighing platforms (3) form equivalent long platform surfaces at intervals to cooperate with the weighing main body;
the bearing beam (2) is dynamically adjusted, and a plurality of weighing platforms (3) are positioned on the same plane.
2. The array type high-speed dynamic axle load scale according to claim 1, wherein: the weighing platform is characterized in that the bearing beam (2) is arranged at the position where the wheel and the gravity center of the vehicle are located along the advancing direction of the vehicle, and the weighing platform (3) is arranged on the bearing beam (2) in a spanning mode and is arranged in a mode of being perpendicular to the bearing beam in a crossing mode.
3. The array type high-speed dynamic axle load scale according to claim 1, wherein: the weighing platform (3) comprises a frame (9), a weighing platform surface (10), a strain beam (6) and a plurality of assembled weighing sensors (5).
4. The array type high-speed dynamic axle load scale according to claim 3, wherein: strain roof beam (6) set up on spandrel girder (2), frame (9) set up on strain roof beam (6), weighing table board (10) set up on frame (9), assembled weighing sensor (5) lay on strain roof beam (6), the deformation of strain roof beam (6) is independently responded to in every assembled weighing sensor (5), produces the independent signal output that is directly proportional to the gravity that receives.
5. The array type high-speed dynamic axle load scale according to claim 1, wherein: the weighing platform (3) comprises a frame (9), a weighing platform surface (10) and a double-beam type weighing sensor (11); the double-beam weighing sensor (11) comprises a sensor elastic body which is of a long strip-shaped structure, and two ends of the sensor elastic body are stressed by the weighing beams to deform so as to output two paths of independent signals.
6. The array type high-speed dynamic axle load scale according to claim 5, wherein: the double-beam type weighing sensor (11) is arranged on the bearing beam (2), the frame (9) is arranged on the double-beam type weighing sensor (11), and the weighing table top (10) is arranged on the frame (9).
7. The array type high-speed dynamic axle load scale according to any one of claims 1 to 6, wherein: the concrete embedded type road surface concrete is characterized by further comprising a base body (7) used for realizing the integration of the concrete embedded type road surface concrete and the road surface concrete.
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| CN202120117207.2U CN214309090U (en) | 2021-01-14 | 2021-01-14 | Array type high-speed dynamic axle load scale |
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| CN202120117207.2U CN214309090U (en) | 2021-01-14 | 2021-01-14 | Array type high-speed dynamic axle load scale |
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| CN214309090U true CN214309090U (en) | 2021-09-28 |
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| CN202120117207.2U Active CN214309090U (en) | 2021-01-14 | 2021-01-14 | Array type high-speed dynamic axle load scale |
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